8478320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:953

約数の個数: 40

約数和(自身を含む): 19887120

約数和(自身を除く): 11408800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 809, 1048, 1310, 1618, 2096, 2620, 3236, 4045, 5240, 6472, 8090, 10480, 12944, 16180, 32360, 64720, 105979, 211958, 423916, 529895, 847832, 1059790, 1695664, 2119580, 4239160, 8478320]

約数ペア:

[(1, 8478320), (2, 4239160), (4, 2119580), (5, 1695664), (8, 1059790), (10, 847832), (16, 529895), (20, 423916), (40, 211958), (80, 105979), (131, 64720), (262, 32360), (524, 16180), (655, 12944), (809, 10480), (1048, 8090), (1310, 6472), (1618, 5240), (2096, 4045), (2620, 3236)]